{"database":"biostudies-literature","file_versions":[],"scores":null,"additional":{"submitter":["Wu J"],"funding":["Bionic structured materials technology joint laboratory for advanced mateirals between China and Portugal","the National Key Research & Development Program of China","the National Natural Science Foundation of China"],"pagination":["5008"],"full_dataset_link":["https://www.ebi.ac.uk/biostudies/studies/S-EPMC11547708"],"repository":["biostudies-literature"],"omics_type":["Unknown"],"volume":["29(21)"],"pubmed_abstract":["Photothermal materials often prioritize solar absorption while neglecting thermal radiation losses, which diminishes thermal radiation conversion efficiency. This study addresses this gap by introducing a germanium (Ge) subwavelength structure (SWS) designed to optimize both solar absorption and infrared emissivity. Using a self-masked reactive ion etching (RIE) technique, we achieved a peak absorption of 98.8% within the 300 nm to 1800 nm range, with an infrared emissivity as low as 0.32. Under solar illumination of 1000 W/m<sup>2</sup>, the structure's temperature increased by 50 °C, generating a heating power of 800 W/m<sup>2</sup>. Additionally, it demonstrated good mechanical and thermal stability at high temperatures and possessed a hydrophobic angle of 132°, ensuring effective self-"],"journal":["Molecules (Basel, Switzerland)"],"pubmed_title":["Ideal Photothermal Materials Based on Ge Subwavelength Structure."],"pmcid":["PMC11547708"],"funding_grant_id":["62375132, 62305164, 5247020620","SQ2024YFE0101145","2022YFA160300"],"pubmed_authors":["Wu J","Wei C","Ma J","Xu H","Zheng W","Zhu R","Wang K"],"additional_accession":[]},"is_claimable":false,"name":"Ideal Photothermal Materials Based on Ge Subwavelength Structure.","description":"Photothermal materials often prioritize solar absorption while neglecting thermal radiation losses, which diminishes thermal radiation conversion efficiency. This study addresses this gap by introducing a germanium (Ge) subwavelength structure (SWS) designed to optimize both solar absorption and infrared emissivity. Using a self-masked reactive ion etching (RIE) technique, we achieved a peak absorption of 98.8% within the 300 nm to 1800 nm range, with an infrared emissivity as low as 0.32. Under solar illumination of 1000 W/m<sup>2</sup>, the structure's temperature increased by 50 °C, generating a heating power of 800 W/m<sup>2</sup>. Additionally, it demonstrated good mechanical and thermal stability at high temperatures and possessed a hydrophobic angle of 132°, ensuring effective self-","dates":{"release":"2024-01-01T00:00:00Z","publication":"2024 Oct","modification":"2025-04-04T00:38:46.279Z","creation":"2025-04-04T00:38:46.279Z"},"accession":"S-EPMC11547708","cross_references":{"pubmed":["39519649"],"doi":["10.3390/molecules29215008"]}}